Clean Water Act discharge permit · NPDES IN0039659
STONETOWN FOREST OAKS WWTP, Chesterton, IN: NPDES IN0039659 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
STONETOWN FOREST OAKS WWTP holds NPDES permit IN0039659, which discharges to Lt Cal/Salt Cr/Damon/Swanson Lamprt. EPA’s file records it issued December 13, 2017 and expiring January 31, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | STONETOWN FOREST OAKS WWTP |
|---|---|
| Permittee as filed | STONETOWN FOREST OAKS WWTP |
| NPDES ID | IN0039659 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 13, 2017 |
| Expiration date | January 31, 2023 |
| Issuing agency | IDEM |
| Address | Chesterton, IN 46304 |
| Receiving water | LT CAL/SALT CR/DAMON/SWANSON LAMPRT |
| Subwatershed | Squirrel Creek-Salt Creek (HUC 040400010303) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 12Under a numeric limit
- 13With a violation of any kind
- 9With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 8 | 151 | 133 | August 31, 2025 | 1,065% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 117 | 85 | July 31, 2004 | 1,233% over the limit |
| Phosphorus, total [as P] | 1 | 101 | 84 | July 31, 2026 | 2,650% over the limit |
| Solids, total suspended | 4 | 119 | 80 | December 31, 2024 | 3,033% over the limit |
| Chlorine, total residual | 6 | 83 | 77 | September 30, 2022 | 14,186% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 48 | 44 | June 30, 2024 | 616% over the limit |
| E. coli, colony forming units [CFU] | 3 | 44 | 42 | August 31, 2024 | 32,240% over the limit |
| Phosphorus, total percent removal | 1 | 35 | 34 | July 31, 2026 | 160% over the limit |
| Oxygen, dissolved [DO] | 2 | 2 | 1 | July 31, 2023 | 82% over the limit |
| Flow, in conduit or thru treatment plant | 1 | 36 | 0 | ||
| pH | 2 | 19 | 0 | ||
| Coliform, fecal general | 0 | 2 | 0 | ||
| Flow, total | 1 | 1 | 0 | ||
| Number of Events | 2 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0039659.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IN0039659.
Start the watch
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- One watershed — $2,990/year
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IN0039659 there.
Nearby on the register
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- Every permit record in Chesterton, A to Z
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- Every permit record in Indiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.